Hi, I am venkat. I am done with M.Sc Medical Biochemistry
in the year 2007. I got rejected 3 times at US consulate,
and the reason they say is why are you going agian for PG
when you have already done PG, and they are not ready to
get convinced only on this issue.

1000

What factors can change the pKa value of an amino acid
residue, and in which direction?

1372

Two children have a neurological disorder. When cells from
the two patients were fused to form heterokaryons
containing nuclei from both patients and cultured, the
cells displayed normal metabolism. Cells from either
patient exhibited abnormal metabolism when cultured
separately.what does these results indicate?

1012

bane the by products when crude oil is refined by
distillation

1028

The nucleophile in the first stage of the serine protease
mechanism is
a) H2O
b) the carboxyl of Asp 102
c) the hydroxyl of Ser 195
d) the imidazole of His 57